The audio data should be in a format understood by the headset (for example, A-law PCM [Pulse Code Modulation] format for the Sony headset).
音频数据应当是耳机可以理解的格式(例如，Sony耳机的a - law P CM [PulseCodemodulation]格式)。
The significance for this paper is to realize digitized modulation and demodulation by means of the software. It is based on the audio-card of PC.
本文的意义在于采用软件方法实现了数字化调制与解调，它是基于PC机声卡来完成的。
The source audio essence is encoded using pulse code modulation or PCM.
源音频的本质是用脉码调制或PCM编码。
An introduction is given in the article to an automatic frequency modulation broadcasting system with digital audio recording function based on the computer software and hardware.
介绍了以多媒体电脑软硬件构成的电脑数码音频录制及调频广播节目自动播放系统。
In multimedia signal processing, quantization error is a function of input signal and it results in the audible distortion and noise modulation in the audio signals.
在多媒体信号处理中，由于量化误差是输入信号的函数，使得语音信号产生信号失真和噪声调制。
I knew I would probably have to use some analog hardware to output the audio and video unless I used pulse-width modulation, in which case I would only need a low-pass filter.
我知道假如使用PWM(脉宽调制)模拟部分只需要做低通滤波就行了，否则就得全用模拟器件完成音频和视频。
The research method is using VC programming to realize the modulation and demodulation of the signal by audio-card.
本文研究的方法是通过VC编程实现用声卡对信号的调制解调。
The paper presents a novel ultra-audio frequency (UAF) induction welding power based on ZCS-PWM(Zero Current Switching-Pulse Width Modulation) technology.
介绍一种基于ZCS-PWM（零电流开关-脉宽调制）技术的新型超音频感应焊接电源。
In this paper, according to the thinking of software radio, a PSK soft-modulation and soft-demodulation system based on audio-card and DSP is studied and implemented.
本文基于软件无线电的思想，研究并实现了以 多媒体计算机声卡和DSP为基本 硬件平台的PSK信号的软件调制解调。
In this paper, according to the thinking of software radio, a PSK soft-modulation and soft-demodulation system based on audio-card and DSP is studied and implemented.
本文基于软件无线电的思想，研究并实现了以 多媒体计算机声卡和DSP为基本 硬件平台的PSK信号的软件调制解调。
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